As of 2026, establishing a connection to your VPN in China does not guarantee full functionality. Numerous users report experiencing issues such as:
- Connected, yet international websites are inaccessible;
- Google operates, but YouTube/ChatGPT do not;
- Browsing speeds are extremely slow;
- Applications function while websites fail;
- WiFi is operational, but mobile data is not—or the opposite.
This manual outlines effective techniques to test the actual performance of your VPN in China.
1. First Step: Verify Basic Connectivity
Check your ability to access:
- https://www.google.com
- https://www.youtube.com
- https://chat.openai.com
If these websites do not load:
- Your DNS might be compromised;
- The server could be partially blocked;
- The protocol might be under detection.
2. Second Step: Assess DNS Validity
DNS interference is a leading contributor to connectivity issues in China.
- https://dnsleaktest.com
- https://ipleak.net
Warning signs:
- DNS servers associated with China Telecom, Unicom, Mobile;
- Discrepancy between the IP address and the actual server location.
Solutions:
- Activate native DNS (DoH/DoT);
- Utilize SmartDNS mode.
3. Third Step: Verify Your IP Position
- https://ifconfig.co
- https://ipinfo.io
Confirm:
- Your IP indicates Japan/Singapore/etc. if that choice was made;
- No alerts about “Suspicious Proxy.”
4. Fourth Step: Conduct a Speed Test
- https://fast.com
- https://speed.cloudflare.com
General performance indicators:
- Basic browsing: 1–5 Mbps;
- YouTube at 1080p: 5–12 Mbps;
- 4K streaming: 15+ Mbps;
5. Fifth Step: Test Streaming Capabilities
- Netflix regional verification;
- Disney+ access;
- YouTube in 4K.
If streaming doesn't work:
- Switch to nodes with streaming capabilities;
- Employ SmartDNS.
6. Sixth Step: Compatibility with AI Tools
- ChatGPT messaging test;
- OpenAI control panel;
- Midjourney via Discord.
7. Final Step: Evaluate App Performance
- Instagram / Facebook;
- WhatsApp;
- Google Maps;
- YouTube;
- Zoom.
Summary
FAQ Category